The brave 18-year-old had been fighting for his life in a hospital in London after being involved in a car crash two weeks ago.

A huge social media campaign sent thousands of messages of support for the popular young man.

The teenager from the gaeltacht village of Loughanure was left in a critical condition after his car struck a tree when he was making his way home from work in the early hours of Saturday, September 8.

He had been on a life support machine and his condition was described as “stable but critical.”

Conor, who completed his Leaving certificate in June, had been working with his father’s tunneling in company for the summer.

He had planned on working in England for a year before returning to Ireland next year to go to university.

His mother Sheila, father Hugh and his five brothers are being comforted at this trying time.

His brother James left a touching message on his Facebook page.

He wrote: "Today has to be the worst day of my life, my best friend and little brother Conor Boyle passed away.

"Probably the nicest and most energetic guy you would ever meet, he didn’t deserve this at all.

"I’d like to thank everyone in the last couple of weeks for their support its been great.

"Peace out hombre I’ll miss you so much."

Members of Naomh Muire GAA Club also posted a message of condolence on their Facebook page.

They said: "Words can’t describe how we feel this morning in the club.

"The news we prayed and hoped would never come has hit us and its a terrible feeling to lose one of our... own so young.

"To Sheila,Hugh and the boys and extended family we extend our deepest sympathy.

"RIP Wee Conor Boyle you were one of our own and you will be deeply missed but will be remembered always by us.